A) The mistress is not as beautiful as natural elements. The speaker is comparing her to things that are beautiful, the speaker is saying that she is not as beautiful as the things being described.
I'm not very sure, but I am guessing Sentence 3. If you read the paragraph without Sentence 3, it sounds correct.<span />
Answer:
In Beowulf, some of the most important symbols are Hrothgar's mead-hall, Grendel's cave, Grendel's arm and head, and the dragon's treasure-trove. ... Symbolically, Heorot represents the achievements of the Scyldings, specifically Hrothgar, and their level of civilization
That children are sent to school to learn, not to teach, so thestudents in this case were in the wrong by trying to "teach" others something by wearing armbands.